Fun Riddles

Question: If your overweight father-in-law, mother-in-law who looks like she's about to die, and your wife approach you in your car but you only have one other seat, who would you take?

Question: What is brown or silver, has a head and tail but no arms or legs?

Question: Round like a apple, deep like a cup, but all the kings horses can't pull it up.

What is it?

Question: What is the center of gravity?

Question: Four hang, four sprang, two point the way, two to ward off dogs, one dangles after, always rather dirty.

What am I?